3.6
Lubrication and maintenance operations
3.6.29 Hydraulic oil and hydraulic oil filter replacement Change the hydraulic oil when the machine is parked on a flat and solid surface, the engine and the battery disconnector are off and the gas bottle is closed.
1 2
Hydraulic oil change and ventilation filter replacement procedure: •
Open the right material hopper side cover (1).
•
Remove the ventilation filter (2).
•
Place a vessel with a volume of at least 21 l (5.5 gal US) under the hydraulic oil drain plug (3).
•
Remove the drain plug (3) from the hydraulic tank.
•
Drain the oil into the prepared container.
•
Mount the drain plug (3) onto the hydraulic tank and tighten.
•
Fill in new oil to the hydraulic tank through the hole (4).
•
The prescribed oil volume is 20 l (5.3 gal US).
•
Check the oil level on the oil gauge (5).
•
The hydraulic oil level must be between the MIN and MAX marks.
•
Apply oil on the sealing O-Ring (6) on the ventilation filter (2).
•
Mount a new ventilation filter (2).
D451255A
3
451115B MAX
2
MIN
4
6
5 D451256A
172
F80W
